Raft Foundation is a construction method that requires high volume of concrete and uses full casts concrete method without any cold joint. The main problem of using a huge volume of concrete in a construction is the increasing temperature in the structure due to the heat generated by the hydration process between cement and water in the concrete. This problem can be solved by monitoring the temperature of the structure using thermocouples. For raft foundation structure, nine thermocouples were placed and spread throughout the structure. If the temperature difference between each layer of concrete reaches 20˚C, it can causes tensile strength which will lead to crack the concrete. Temperature analysis in raft foundation was modeled by using software named MIDAS/CIVIL 2016. From the results, it was found that layer concrete casting method generated less heat from the hydration process than segment concrete casting method. The difference between the actual temperature and modeled temperature was caused by the difference in the characteristic of soil that absorbs heat in MIDAS/CIVIL 2016, did not occur in the project.

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